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Assuming you dont have a scan tool, gotta go old school
First off you gotta fix out why you have condensation in the headlight, park the car in direct sunlight if possible & let it dry out fairly good.
Secondly, find out what side is throwing the error. When you start the car they should cycle Up & Down, pay attention to which one does not.
Now if you feel comfortable, remove the headlights (Gotta pull bumper) and swap the AHL module and see if the corrects the issue. If it does you know you got a bad module which you can purchase separately from the completer headlight assemebly..If it doesn’t fix your issue then its time to verify the step motors are connected properly & HOPEFULLY the motors are still good.
Report back on your finding, Good Luck !
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